In the equation of the circle (x + 5)^2+ (y - 3)^2 = 144, what is the center and the radius?.
1 answer:
Answer:
Centre is (-5,3) and radius is 12
Explanation:
We know formula for a circle is :-
(x - h)² + (y - k)² = r²
(x + 5)² + (y - 3)² = 144
On comparison,
x = -5
y = 3
r² = 144 => r = 12
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